Re: [RFC PATCH 0/2] Handle physical address bits
On Wed, 2020-11-04 at 13:03 +0000, Daniel P. Berrangé wrote:
On Thu, Oct 29, 2020 at 03:55:30PM +0000, Dario Faggioli wrote:
>
> Using current QEMU's default of 40 may limit the amount of RAM the
> guest
> can see (which is the reason why, in our packages, we bump that to
> 42; and
> as far as I've understood from reading some old mailing list
> threads on
> the subject, other downstreams do something similar).
In RHEL we provide custom machine types which set host-phys-bits=on
by
default, which is why making it configurable in libvirt hasn't been a
high priority previously.
Yeah, and as I said, we bump that 40 to 42 in our QEMU package. I guess
this is why not many people have bumped into this on our side either.
Until now that I bumped into it... So, sad to admit, but apparently 42
was not the answer in this case. :-P
Thanks and Regards
--
Dario Faggioli, Ph.D
http://about.me/dario.faggioli
Virtualization Software Engineer
SUSE Labs, SUSE https://www.suse.com/
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